The BBC’s Sherlock miniseries has been a hit for quite a while, and before launching into its long-anticipated (VERY LONG ANTICIPATED) 4th season, there’s the Christmas special, which places Sherlock and John Watson in Victorian England, the original setting for Sir Arthur Conan Doyle’s stories.
A new trailer has just dropped for the special, and it’s eerily darker and more dramatic than expected, with less of the humor brought by Sherlock’s high functioning sociopathic tendencies.

Look who's back and looking a tad different! (Source: http://entertainthis.usatoday.com/2015/07/09/sherlock-bbc-new-official-photo-of-victorian-era-sherlock-and-watson/)